Here are some of the plugins I created:

cache-avoid-if-user-is-logged-in - In case that all html pages are cached by external CDN, this will help admins to have a page grabbed directly from the WordPress site, including properly displaying wp-admin toolbar. Download version 0.1.0

404-to-410 - After your site is infected, replace all 404 errors with 410 errors, to spead up cleaning the search engines cached results. Download version 0.1.0

Here are some of the plugins I do manage:

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